General information
Alburnus alburnus (Linnaeus, 1758)  
   
Common nameBleak, Kuli Irani
Synonyms
-
IUCN Red List status (2014)
Least Concern (LC)
Habitat
Freshwater
Systematics
Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Actinopterygii; Neopterygii; Teleostei; Ostariophysi; Cypriniformes; Cyprinidae.
Geographical distribution Iran; Turkey; Russia; UK; Germany; France; Spain; Portugal; Italy; Greece; Bulgaria; Ukraine; Romania; Norway; Sweden; Denmark; Finland; Belgium; Netherlands; Andorra; Austria; Belarus; Cyprus; Czech Republic; Estonia; Hungary; Latvia; Liechtenstein; Lithuania; Luxembourg; Moldova; Poland; Serbia; Slovakia; Switzerland
Occurrence native: Iran; native: Turkey; native: Russia; native: UK; native: Germany; native: France; introduced: Spain; introduced: Portugal; introduced: Italy; native: Greece; native: Bulgaria; native: Ukraine; native: Romania; questionable: Norway; native: Sweden; native: Denmark; native: Finland; native: Belgium; native: Netherlands; native: Andorra; native: Austria; native: Belarus; introduced: Cyprus; native: Czech Republic; native: Estonia; native: Hungary; native: Latvia; native: Liechtenstein; native: Lithuania; native: Luxembourg; native: Moldova; native: Poland; native: Serbia; native: Slovakia; native: Switzerland
Remarks Contains 0-2 supernumerary B chromosomes. FISH of (GGGTTA)7 and (TAACCC)7 oligomers demonstrate telomeric signals in all metaphase chromosomes.
Karyological information
Record 1
Geographical area of study Germany (rivers Main, Danube, Elbe and the artificial lake Edersee).
Source of chromosomes Spleen, kidneys, gills.
Number of specimens with sex 300
Diploid chromosome number 50
Karyotype formula 14m+14sm+14a+8t
Fundamental arm number -
Chromosome length -
Sex chromosome Heteromorphic sex chromosomes not detected.
Chromosome staining/banding/FISH Constitutive heterochromatin detected in centromeric and pericentromeric regions of most chromosomes and on entire lengths of both B chromosomes. Interstitial or telomeric C bands not demonstrated. Active NOR located in short arm of chromosome 16. The 5S rDNA signal found on one of chromosomes 1 and on both chromosomes nos. 24, while 18S+28S rDNA probe signals located on short arms of chromosome 16.
Reference Schmid M, Ziegler CG, Steinlein C,Nanda I, Schart M. (2006). Cytogenetics of the bleak (Alburnus alburnus), with special emphasis on the B chromosomes. Chromosome Research 14: 231–242.
Record 2
Geographical area of study Mouth of rivers entering Anzali Lagoon, Iran.
Source of chromosomes Kidney and gill tissues.
Number of specimens with sex 30 fingerlings.
Diploid chromosome number 50
Karyotype formula 14m+26sm+10st/a
Fundamental arm number 90
Chromosome length 37.976 to 16.598 µm.
Sex chromosome -
Chromosome staining/banding/FISH -
Reference Khosravanizadeh A, Pourkazemi M, Fashkhami MRN (2011). Karyology study on Bleak (Alburnus alburnus) from the South Caspian Sea region. Caspian J. Env. Sci., 9(1): 27-36.
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